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Explain covalent bond
A covalent bond is a form of chemical bonding that is characterized by the sharing of pairs of electrons among atoms, or among atoms and other covalent bonds. Or we can say that, attraction-to-repulsion stability that forms among atoms when they share electrons is called as covalent bonding.
What are the main sources of electrical resistance in a metal? The factors that affect the electrical resistance of a metal are impurity, temperature and alloying. The free mea
A tank contains cold water at a temperature Tc = 20°C and volume Vc = 1 m3. You add a volume Vh = 1 m3 of water at temperature Th = 100°C at time t = 0. Energy is lost from the tan
Where we have strong bond:ch20 ,h20,n20 and why?
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Bulk defects * Voids are little regions where there are no atoms, and can be thought of as clusters of vacancies. * Impurities can cluster jointly to form small regions of a
Semi-conducting materials 1) Semi-conducting are the materials whose valence electrons are bounded somewhat loosely to their atom. 2) They needs energy less than
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